Security Boss MaxSeal Sash Lockable Window Insert -SB-MaxSeal-Sash-0001777
For the best insulation and sealing in a window pet door, choose the MaxSeal Sash Window Pet Door. The MaxSeal Pet Door, Dual Flexible Flap Model is the pet door used in this device; it is easy for pets to use while offering a nearly perfect weather barrier in the harshest environments. The Insulated security panel slides from the side, locking the pet opening. All Security Boss products are hand built to order.
Each unit has dual-pane thermal glass that is encased in a strong, powder-coated aluminum frame. For simple installation or removal, there is a spring-loaded adjustable end. The only dual/paned insulated sash pet door that doesn't require permanent installation, no screws, or hardware is the MaxSeal Sash Window Pet Door. All Security Boss Inserts come with an extendable brace bar that will lock your door into place.
